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AS1.3

Nowcasting and its applications
Convener: Yong Wang  | Co-Conveners: Marc Berenguer , Yuan Wang , Jarmo Koistinen 
Orals
 / Fri, 12 Apr, 08:30–12:00  / Room B16
Posters
 / Attendance Fri, 12 Apr, 13:30–15:00  / Yellow Posters
Over recent years, nowcasting has become more important as a scientific tool for the accurate weather analysis and forecast in time and space in the early hours (0-6 hours). It is widely used in warning the public of weather hazards, and it plays an increasing role in crisis management and risk prevention.
This session will focus on nowcasting and its applications, and will accept papers on a wide range of topics, such as,
1. Nowcasting techniques and operational nowcasting systems: extrapolation/blending methods, deterministic and probabilistic solutions, conceptual models and heuristic ideas; introduction of existing operational nowcasting systems.

2. Very short range NWP for nowcasting: assimilation of very dense (time and space) observation data, data assimilation technique, spin-up handling, RUC and rapid refresh, cloud resolving model, cloud physics and analysis, predictability of convection, NWP post-processing.
3. Observation for nowcasting: pre-processing and QC, integration of observations for weather estimation and analysis, use of the observation in nowcasting, e.g. weather radar, satellite based, profilers, surface observation network, and other innovative technology.
4. Verification and societal-economic impact: verification methods, case studies on significant weather events, studies and methods of investigating the societal and economic impact.
5. Nowcasting application: downstream application interfaces, application oriented nowcasting products, nowcasting applications in aviation, hydrology, civil protection and risk management, road management, air quality, public health, energy industry, transportation, public events etc.
6. Presentation of results from nowcasting research projects (EU funded, WMO/WWRP, and others), such as: IMPRINTS, INCA-CE, HAREN, BALTRAD, FROST-14, SNOW-V10, B08FDP, WENS, SSCS and Nowcast-EUMETNET.